These unique rock formations were created during the Ice Age.

Originally a cemetery, this city park remains speckled with a handful of scattered gravestones.

A local scoured more than 1,000 acres for stone to create his masterpiece.

Prehistoric animals decorate this popular outdoor park.

The world's longest known cave system.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

The tallest waterfall in West Virginia.

A lighthouse on this West Virginia lake started as a joke, then the forces of nature helped make it a reality.

This harrowing climb along West Virginia's jagged spires is one of the only Via Ferrata on America's east coast.

A beautiful hidden gem in central West Virginia.

The highest point in Maryland is only accessible by hiking through another state.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

A rock that was too big to move, so the town just paved around it.

This hidden gem in Arizona is truly worth the rugged journey.

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

A series of magical limestone formations along the coastline of the country island of Antigua.

Colorado's only active volcano last erupted around 4,000 years ago.

These modest Midwestern formations are kin to Niagara Falls' impressive cliffs, more than 600 miles away.

Under the right conditions, rocks will move across this dry lakebed, leaving trails behind them.

This unique landscape is the only place in the world to dig for hourglass-selenite crystals.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

This cave at the base of an unusually shaped cliff is said to be inhabited by a mythical forest enchantres from Scandinavian folklore.

These hooded graves are the only of their kind in the United States.

Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.